USN-5168-3: NSS vulnerability ›
01 December 2021
NSS could be made to crash or run programs if it verified a specially crafted signature.
Ubuntu Security Notices
Developers issue an Ubuntu Security Notice when a security issue is fixed in an official Ubuntu package.
To report a security vulnerability in an Ubuntu package, please contact the Security Team.
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Latest Notices
USN-5168-1: NSS vulnerability ›
01 December 2021
NSS could be made to crash or run programs if it verified a specially crafted signature.
USN-5168-2: Thunderbird vulnerability ›
01 December 2021
Thunderbird could be made to crash or run programs if it verified a specially crafted signature.
USN-5165-1: Linux kernel (OEM) vulnerabilities ›
30 November 2021
Several security issues were fixed in the Linux kernel.
CVE-2021-3772, CVE-2021-42327, CVE-2021-43267, and 4 others
USN-5164-1: Linux kernel vulnerabilities ›
30 November 2021
Several security issues were fixed in the Linux kernel.
USN-5163-1: Linux kernel vulnerabilities ›
30 November 2021
Several security issues were fixed in the Linux kernel.
CVE-2021-37159, CVE-2021-3764, CVE-2021-3744, and 1 other
USN-5162-1: Linux kernel vulnerabilities ›
30 November 2021
Several security issues were fixed in the Linux kernel.
CVE-2021-3655, CVE-2021-42252, CVE-2021-43057, and 2 others
USN-5161-1: Linux kernel vulnerabilities ›
30 November 2021
Several security issues were fixed in the Linux kernel.
CVE-2021-3744, CVE-2021-3764, CVE-2021-42252, and 1 other
USN-5158-1: ImageMagick vulnerabilities ›
29 November 2021
Several security issues were fixed in ImageMagick.
CVE-2021-20244, CVE-2021-20246, CVE-2021-20309, and 2 others
USN-5156-1: ICU vulnerability ›
24 November 2021
ICU could be made to crash if it received specially crafted input.